Ключевые слова: ahead, arrow, background, blue, caution, change, choice, concept, conceptual, direction, directional, drive, frame, go, gray, grey, guidance, guide, highway, icon, indicate, indicating, indication, indicator, instruction, isolated, lane, leading, left, lefthand, mandatory, mast, obey, one, oneway, option, pole, road, roadsign, show, sign, simple, street, symbol, traffic, trafficsign, transportation, turn, way, white,